Crookston, N. L. I. 1977. Mountain pine beetle (Dendroctonus ponderosae Hopkins, Coleoptera: Scolytidae) outbreaks in lodgepole pine (Pinus contorta Dougl.) and application of a climatic hazard rating to the Pacific Northwest. Unpublished thesis, University of Idaho, Moscow.
Crookston 1977
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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